I just bought a 2008 g8. It has 63k miles.
I'm a big German car driver, so American is new territory for me. I'm looking for mid 11s in the quarter. What's the most reliable way to do this?
Keep in mind this is my every day driver so it has to relatively easy on the motor.

I am told that a Whipple 2.9 kit with front air feed that is available for the Corvette will bolt straight on, but that you need to "drop the subframe" a bit. What does this mean? What subframe and how would you do this?

I'm pretty sure the subframe is a separate frame to support the engine and or transmission. It either bolts up or is welded to the frame. I'm sure they mean to drop it so that it will lower the whole engine, providing room for the bigger 2.9 whipple. Well I shouldn't say I'm sure, more I'm guessing haha. But I have no idea how that would be accomplished if its welded without some serious fabrication. I don't even know how it'd be do e if its bolted for that matter. Someone with some more knowledge then me chime in

I just bought a 2008 g8. It has 63k miles.
I'm a big German car driver, so American is new territory for me. I'm looking for mid 11s in the quarter. What's the most reliable way to do this?
Keep in mind this is my every day driver so it has to relatively easy on the motor.

Interesting. One thing the Yella Terra site says is that for them to make it fit, they used engine mounts from an LS1/2. No need to drop the subframe. If that's the case, then I would worry about header clearance....

The current front inlet units from Whipple for the Camaro and Corvette seem interesting as well...

Thanks ksiu71, saw that thread but it is more about KB's and didn't provide anything useful about options with whipples.

Does anyone have more info about how to lower the sub frame (and therefore the engine) in a G8? I don't think I would really do this - just curious. I imagine it would lower ground clearance of the exhaust/ cats, so not a great option I guess??

I am told that the engine sits in a separate subframe that is secured to the body by 4 16mm bolts and that it can be lowered by adding some washers or other spacers. It does obviously lower the sump closer closer to the ground.

Register Now

In order to be able to post messages on the Pontiac G8 Forum: G8 Forums - G8Board.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:

Password

Please enter a password for your user account. Note that passwords are case-sensitive.

Password:

Confirm Password:

Email Address

Please enter a valid email address for yourself.

Email Address:

OR

Log-in

User Name

Password

Remember Me?

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.